Timeline of Reported Cases

This outbreak appears to be over. E. coli is an important cause of illness in the United States. More information about E. coli, and steps people can take to reduce their risk of infection, can be found on the E. coli and Food Safety web page.

People infected with the outbreak strain of E. coli O157:H7, by date of illness onset*

*n=62 for whom information was reported as of January 9, 2019. Some illness onset dates have been estimated from other reported information.